Finding the Fourth Proportional to 2,443.38, 3,372.21 and 1,512.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.38 : 3,372.21 = 1,512.18 : x
2. Step 2: Convert to fraction form
   2,443.38/3,372.21 = 1,512.18/x
3. Step 3: Cross multiply
   2,443.38x = 3,372.21 × 1,512.18
4. Step 4: Simplify right side
   2,443.38x = 5,099,388.52
5. Step 5: Solve for x
   x = 5,099,388.52/2,443.38
6. Step 6: Final answer
   x = 2,087.02